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/*
 * Copyright 2004-2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ibatis.sqlmap.client;

import com.ibatis.common.util.PaginatedList;
import com.ibatis.sqlmap.client.event.RowHandler;
import com.ibatis.sqlmap.engine.execution.BatchException;

import java.sql.SQLException;
import java.util.List;
import java.util.Map;

/**
 * This interface declares all methods involved with executing statements and batches for an SQL Map.
 *
 * @see SqlMapSession
 * @see SqlMapClient
 */
public interface SqlMapExecutor {

  /**
   * Executes a mapped SQL INSERT statement. Insert is a bit different from other update methods, as it provides
   * facilities for returning the primary key of the newly inserted row (rather than the effected rows). This
   * functionality is of course optional.
   * 

* The parameter object is generally used to supply the input data for the INSERT values. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * * @return The primary key of the newly inserted row. This might be automatically generated by the RDBMS, or selected * from a sequence table or other source. * * @throws SQLException * the SQL exception */ Object insert(String id, Object parameterObject) throws SQLException; /** * Executes a mapped SQL INSERT statement. Insert is a bit different from other update methods, as it provides * facilities for returning the primary key of the newly inserted row (rather than the effected rows). This * functionality is of course optional. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * * @return The primary key of the newly inserted row. This might be automatically generated by the RDBMS, or selected * from a sequence table or other source. * * @throws SQLException * the SQL exception */ Object insert(String id) throws SQLException; /** * Executes a mapped SQL UPDATE statement. Update can also be used for any other update statement type, such as * inserts and deletes. Update returns the number of rows effected. *

* The parameter object is generally used to supply the input data for the UPDATE values as well as the WHERE clause * parameter(s). * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * * @return The number of rows effected. * * @throws SQLException * the SQL exception */ int update(String id, Object parameterObject) throws SQLException; /** * Executes a mapped SQL UPDATE statement. Update can also be used for any other update statement type, such as * inserts and deletes. Update returns the number of rows effected. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * * @return The number of rows effected. * * @throws SQLException * the SQL exception */ int update(String id) throws SQLException; /** * Executes a mapped SQL DELETE statement. Delete returns the number of rows effected. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the DELETE * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * * @return The number of rows effected. * * @throws SQLException * the SQL exception */ int delete(String id, Object parameterObject) throws SQLException; /** * Executes a mapped SQL DELETE statement. Delete returns the number of rows effected. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * * @return The number of rows effected. * * @throws SQLException * the SQL exception */ int delete(String id) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a single object instance. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * * @return The single result object populated with the result set data, or null if no result was found * * @throws SQLException * the SQL exception */ Object queryForObject(String id, Object parameterObject) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a single object instance. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * * @return The single result object populated with the result set data, or null if no result was found * * @throws SQLException * the SQL exception */ Object queryForObject(String id) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate the supplied result object. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param resultObject * The result object instance that should be populated with result data. * * @return The single result object as supplied by the resultObject parameter, populated with the result set data, or * null if no result was found * * @throws SQLException * the SQL exception */ Object queryForObject(String id, Object parameterObject, Object resultObject) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * * @return A List of result objects. * * @throws SQLException * the SQL exception */ List queryForList(String id, Object parameterObject) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * * @return A List of result objects. * * @throws SQLException * the SQL exception */ List queryForList(String id) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects within a certain * range. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param skip * The number of results to ignore. * @param max * The maximum number of results to return. * * @return A List of result objects. * * @throws SQLException * the SQL exception */ List queryForList(String id, Object parameterObject, int skip, int max) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects within a certain * range. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * @param skip * The number of results to ignore. * @param max * The maximum number of results to return. * * @return A List of result objects. * * @throws SQLException * the SQL exception */ List queryForList(String id, int skip, int max) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns a number of result objects that will be handled one at a time * by a RowHandler. *

* This is generally a good approach to take when dealing with large sets of records (i.e. hundreds, thousands...) * that need to be processed without eating up all of the system resources. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param rowHandler * A RowHandler instance * * @throws SQLException * the SQL exception */ void queryWithRowHandler(String id, Object parameterObject, RowHandler rowHandler) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns a number of result objects that will be handled one at a time * by a RowHandler. *

* This is generally a good approach to take when dealing with large sets of records (i.e. hundreds, thousands...) * that need to be processed without eating up all of the system resources. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * @param rowHandler * A RowHandler instance * * @throws SQLException * the SQL exception */ void queryWithRowHandler(String id, RowHandler rowHandler) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects a page at a time. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param pageSize * The maximum number of result objects each page can hold. * * @return A PaginatedList of result objects. * * @throws SQLException * the SQL exception * * @deprecated All paginated list features have been deprecated */ PaginatedList queryForPaginatedList(String id, Object parameterObject, int pageSize) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects a page at a time. *

* This overload assumes no parameter is needed. * * @param id * The name of the statement to execute. * @param pageSize * The maximum number of result objects each page can hold. * * @return A PaginatedList of result objects. * * @throws SQLException * the SQL exception * * @deprecated All paginated list features have been deprecated */ PaginatedList queryForPaginatedList(String id, int pageSize) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects that will be keyed * into a Map. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param keyProp * The property to be used as the key in the Map. * * @return A Map keyed by keyProp with values being the result object instance. * * @throws SQLException * the SQL exception */ Map queryForMap(String id, Object parameterObject, String keyProp) throws SQLException; /** * Executes a mapped SQL SELECT statement that returns data to populate a number of result objects from which one * property will be keyed into a Map. *

* The parameter object is generally used to supply the input data for the WHERE clause parameter(s) of the SELECT * statement. * * @param id * The name of the statement to execute. * @param parameterObject * The parameter object (e.g. JavaBean, Map, XML etc.). * @param keyProp * The property to be used as the key in the Map. * @param valueProp * The property to be used as the value in the Map. * * @return A Map keyed by keyProp with values of valueProp. * * @throws SQLException * the SQL exception */ Map queryForMap(String id, Object parameterObject, String keyProp, String valueProp) throws SQLException; /** * Starts a batch in which update statements will be cached before being sent to the database all at once. This can * improve overall performance of updates update when dealing with numerous updates (e.g. inserting 1:M related data). * * @throws SQLException * the SQL exception */ void startBatch() throws SQLException; /** * Executes (flushes) all statements currently batched. * * @return the number of rows updated in the batch * * @throws SQLException * the SQL exception */ int executeBatch() throws SQLException; /** * Executes (flushes) all statements currently batched. * * @return a List of BatchResult objects. There will be one element in the list for each sub-batch executed. A * sub-batch is created by adding a statement to the batch that does not equal the prior statement. * * @throws SQLException * if a database access error occurs, or the drive does not support batch statements * @throws BatchException * if the driver throws BatchUpdateException * * @see com.ibatis.sqlmap.engine.execution.BatchException */ List executeBatchDetailed() throws SQLException, BatchException; }





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